HTP Solar Water Heaters
HTP filters
No HTP solar water heaters in our catalog
HTP doesn't currently ship a solar water heaters we track. Try one of the alternatives below.
HTP Solar Water Heaters: buyer's guide
HTP doesn't currently ship a solar water heaters in the lineup we track. If you're shopping for solar water heaters water heaters, see the full Solar category for cross-brand options.
About HTP
HTP (Heat Transfer Products) — combi boilers, Phoenix direct-fired, Versa-Hydro hybrid.
For the complete HTP lineup across all sub-types and capacities, see the HTP Water Heaters hub.
Other Solar water heaters brands
If you're cross-shopping solar water heaters beyond HTP, the following brands also ship in this category:
About Solar Water Heaters water heaters
Solar water heaters use the sun to preheat domestic hot water, typically as a supplement to a conventional backup heater rather than as a sole-source system. Solar thermal hot water is the most mature solar technology in the US residential market — far simpler than solar PV electric and with payback timelines that can be remarkably attractive when state and federal incentives stack.
- Active (pumped) solar: roof-mounted flat-plate or evacuated-tube collectors transfer heat via a glycol loop to a heat exchanger in the storage tank. Pump + controller manage circulation. Works in any climate (freeze-protected via glycol).
- Passive (thermosiphon) solar: tank mounted above the collector; gravity drives circulation. Simpler, no pump,...
For the complete solar buyer's guide (all brands, full comparison framework), see the Solar Water Heaters category hub.
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